Find elements with jquery selector and regex

Question

I've got several input boxes like so:

<input type="checkbox" name="checkbox_item[500]" /> <input type="checkbox" name="checkbox_item[10]" /> <input type="checkbox" name="checkbox_item[2]" /> <input type="checkbox" name="checkbox_item[1]" /> <input type="checkbox" name="checkbox_item[]" />

So I'm using the following regex pattern checkbox_item\[\d+\] which works nicely in my regex tester but I cannot get it to work with Jquery. This is my Jquery code:

console.log($("input:regex(name, /checkbox_item\[\d+\]/)").length);

I was expecting 4 but instead got 28!

Can somebody shed any light on this?

Thanks

... if you do, try to remove slashes / before and after regular expression in the selector, i.e. :regex(name, checkbox_item\[\d+\]). — VisioN
– VisioN, Commented Oct 2, 2013 at 10:41
Possible duplicate of stackoverflow.com/questions/19095607/… — Murali Murugesan
– Murali Murugesan, Commented Oct 2, 2013 at 10:42

C3roe · Accepted Answer · 2013-10-02 10:37:16Z

I don’t think jQuery natively supports regular expressions in selectors in that way.

But you could use the Attribute Starts With Selector [name^="value"].

Satpal · Accepted Answer · 2013-10-02 10:38:04Z

You can use Attribute Starts with like

console.log($("input[type=checkbox][name^='checkbox_item']").length)

Demo

nkmol · Accepted Answer · 2013-10-02 10:39:24Z

I don't know if i understand it corretly, but you want to get the total elements that begins with checkbox_item?

$("input[name^=checkbox_item]").length

This will give you the total elements that begins with checkbox_item.

more info about this selector here.

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